package com.su.interceptor;

import com.alibaba.fastjson.JSON;
import com.su.common.BaseContext;
import com.su.common.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * 登录拦截器
 */
@Component
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        long id = Thread.currentThread().getId();
        //log.info("当前线程: {}", id);
        Long employeeId = (Long) request.getSession().getAttribute("employee");
        Long userId = (Long) request.getSession().getAttribute("user");
        if (employeeId != null || userId != null) {
            if (employeeId != null) {
                BaseContext.setThreadLocal(employeeId);
            }
            if (userId != null) {
                BaseContext.setThreadLocal(userId);
            }
            return true;
        }
        response.getWriter().write(JSON.toJSONString(R.error("NOTLOGIN")));
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
